Author: nicholas Date: Mon Mar 5 10:35:04 2007 New Revision: 17350 Modified: trunk/docs/pdds/draft/pdd15_objects.pod
Log: A few spelling corrections. Modified: trunk/docs/pdds/draft/pdd15_objects.pod ============================================================================== --- trunk/docs/pdds/draft/pdd15_objects.pod (original) +++ trunk/docs/pdds/draft/pdd15_objects.pod Mon Mar 5 10:35:04 2007 @@ -22,7 +22,7 @@ =head2 Class -A class defines a pattern of characteristcs and behaviors from which +A class defines a pattern of characteristics and behaviors from which objects are constructed. =head2 Attribute @@ -34,7 +34,7 @@ will have the same set of attributes. Most OO languages don't allow attribute changes to existing classes, but Parrot's base attribute system does allow it. In order to safely support advanced dynamic -features in HLLs, attributes are not accesible via fixed attribute +features in HLLs, attributes are not accessible via fixed attribute offsets, but only via named lookup. =head2 Method @@ -230,7 +230,7 @@ class. When instantiating an object, the object data store is created as a ResizablePMCArray, so doesn't need any specific details of the class's attribute structure. As attributes are set in the object (based on the -index in the lookup table), the Array expands to accomodate the +index in the lookup table), the Array expands to accommodate the attribute indexes that are actually used. In the common case, a relatively small set near the lower index range is all that will be used. @@ -313,7 +313,7 @@ objects still point to the old class and do their method resolution and attribute lookup through that class. If a class hasn't been instantiated, adding a method doesn't create a new class. If it has been -instantiated, it creates a new class the first time its extended, +instantiated, it creates a new class the first time it's extended, and then doesn't create a new class until it is instantiated again.) The class registry needs to have names removed entirely (it doesn't care about names anymore). Low-level PMC types also need entries in the @@ -365,7 +365,7 @@ sections below on L<Objects> and L<Vtables>. [stream-of-consciousness again] -In addition to a value type, objects can have a containter type. The +In addition to a value type, objects can have a container type. The container type can't be stored in the object itself, because a single object may live within multiple containers. So, the container type (when it exists) is stored in the LexPad or Namespace entry for a particular @@ -680,7 +680,7 @@ =head1 Explanations To get a new class, you can do a C<newclass>, which creates a new class with no -parents besides parrot's default super-ish parent class. +parents besides Parrot's default super-ish parent class. To get a new child class, you have two potential options: @@ -703,7 +703,7 @@ Classes may override the vtable methods, allowing objects of a class to behave like a primitive PMC. Each vtable slot has a corresponding named method that -parrot looks for in your class hierarchy when an object is used in a primitive +Parrot looks for in your class hierarchy when an object is used in a primitive context. To use these properly at a low-level requires a good working knowledge of the @@ -716,7 +716,7 @@ methods are called by the interpreter--once a vtable method is exited any continuation taken within it is no longer valid and may not be used. -Note that any class method that wishes to use parrot's multi-method dispatch +Note that any class method that wishes to use Parrot's multi-method dispatch system may do so. This is, in fact, encouraged, though it is not required. In the absence of explicit multimethod dispatch, a left-side wins scheme is used. @@ -1116,7 +1116,7 @@ =head2 Objectspace -Ruby: Objectspace in ruby allows the programmer to iterate through every live object +Ruby: Objectspace in Ruby allows the programmer to iterate through every live object in the system. There is some debate about how to make this play nice with different garbage collection schemes. @@ -1177,7 +1177,7 @@ .Net: Single inheritance. -Ruby: Single inheritance but support for mixins of ruby modules. +Ruby: Single inheritance but support for mixins of Ruby modules. =head2 Interfaces @@ -1258,7 +1258,7 @@ =head2 Translation The following list a set of languages, then within each language what the -parrot term translates to. +Parrot term translates to. =over 4 @@ -1268,7 +1268,7 @@ =item Attribute -A Python attribute maps to a parrot property +A Python attribute maps to a Parrot property =back @@ -1278,7 +1278,7 @@ =item Attribute -What .NET calls an attribute parrot calls a property +What .NET calls an attribute Parrot calls a property =item Property
